1954344967 has 2 divisors, whose sum is σ = 1954344968. Its totient is φ = 1954344966.

The previous prime is 1954344919. The next prime is 1954345009. The reversal of 1954344967 is 7694434591.

It is a strong prime.

It is an emirp because it is prime and its reverse (7694434591) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1954344967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1954344907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977172483 + 977172484.

It is an arithmetic number, because the mean of its divisors is an integer number (977172484).

Almost surely, 2^1954344967 is an apocalyptic number.

1954344967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954344967 is an equidigital number, since it uses as much as digits as its factorization.

1954344967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 52.

The square root of 1954344967 is about 44207.9740205316. The cubic root of 1954344967 is about 1250.2602054574.

It can be divided in two parts, 1954 and 344967, that added together give a square (346921 = 589²).

The spelling of 1954344967 in words is "one billion, nine hundred fifty-four million, three hundred forty-four thousand, nine hundred sixty-seven".